class Shape:
    """形状"""
    def __init__(self, color, x, y):
        self.color = color
        self.x = x
        self.y = y
    
    def what_is_your_color(self):
        return self.color
    
    def update(self):
        self.x += 1
        if self.x > 800:
            self.x = 0

    